/*
 * Copyright (C) 2011, Pavel Samko <bulldozerbsg@gmail.com>
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the "Pavel Samko" nor the names of its
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
 * OF SUCH DAMAGE.
 */

#include "VCModRawOutFile.h"

VCModRawOutFile::VCModRawOutFile(VCIController & controller, std::string & filename)
: VCIMod(controller)
, m_filename(filename)
, m_file(NULL)
, m_state(WORK_IDLE)
{
	controller.OnNotifyFromMod(*this, VC_INFO_INIT);
}

VCModRawOutFile::~VCModRawOutFile()
{
	if (m_file)
	{
		fflush(m_file);
		fclose(m_file);
		m_file = NULL;
	}
}

VC_RESULT VCModRawOutFile::Push(VC_CMD cmd, void * data_buff, size_t data_size, VC_DATAFORMAT data_format)
{
	VC_RESULT result = VC_FALSE;
	switch(cmd)
	{
	case VC_STREAM_BEGIN:
		if ((m_state == WORK_IDLE) && !m_file)
		{
			m_file = fopen(m_filename.c_str(), "wb");
			if (m_file)
			{
				if (data_buff && data_size)
				{
					fwrite(data_buff, data_size, 1, m_file);
				}
				m_controller.OnNotifyFromMod(*this, VC_INFO_STREAM_BEGIN);
				m_state = WORK_STREAM;
				result = VC_OK;
			} else
			{
				m_controller.OnNotifyFromMod(*this, VC_ERROR);
			}
		}
		break;
	case VC_STREAM:
		if ((m_state == WORK_STREAM) && m_file && data_buff && data_size)
		{
			fwrite(data_buff, data_size, 1, m_file);
			result = VC_OK;
		}
		break;
	case VC_STREAM_END:
		if ((m_state == WORK_STREAM))
		{
			if (m_file)
			{
				if (data_buff && data_size)
				{
					fwrite(data_buff, data_size, 1, m_file);
				}

				fflush(m_file);
				fclose(m_file);
				m_file = NULL;
			}
			m_controller.OnNotifyFromMod(*this, VC_INFO_STREAM_END);
			m_state = WORK_IDLE;
			result = VC_OK;
		}
		break;
	default:
		break;
	}
	return result;
}

